generic: rtl836x: add hw_reset field to struct rtl8366_smi

It will be used to start/stop the switch if that is
supported by the given board.

SVN-Revision: 32943
This commit is contained in:
Gabor Juhos 2012-08-02 09:54:21 +00:00
parent 614ca3cc9e
commit e2782eae8e
7 changed files with 35 additions and 2 deletions

View file

@ -308,6 +308,19 @@ int rtl8366_smi_rmwr(struct rtl8366_smi *smi, u32 addr, u32 mask, u32 data)
}
EXPORT_SYMBOL_GPL(rtl8366_smi_rmwr);
static int rtl8366_reset(struct rtl8366_smi *smi)
{
if (smi->hw_reset) {
smi->hw_reset(true);
msleep(25);
smi->hw_reset(false);
msleep(25);
return 0;
}
return smi->ops->reset_chip(smi);
}
static int rtl8366_mc_is_used(struct rtl8366_smi *smi, int mc_index, int *used)
{
int err;
@ -938,7 +951,7 @@ int rtl8366_sw_reset_switch(struct switch_dev *dev)
struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
int err;
err = smi->ops->reset_chip(smi);
err = rtl8366_reset(smi);
if (err)
return err;
@ -1227,6 +1240,13 @@ static int __rtl8366_smi_init(struct rtl8366_smi *smi, const char *name)
}
spin_lock_init(&smi->lock);
/* start the switch */
if (smi->hw_reset) {
smi->hw_reset(false);
msleep(25);
}
return 0;
err_free_sda:
@ -1237,6 +1257,9 @@ static int __rtl8366_smi_init(struct rtl8366_smi *smi, const char *name)
static void __rtl8366_smi_cleanup(struct rtl8366_smi *smi)
{
if (smi->hw_reset)
smi->hw_reset(true);
gpio_free(smi->gpio_sck);
gpio_free(smi->gpio_sda);
}
@ -1300,7 +1323,7 @@ int rtl8366_smi_init(struct rtl8366_smi *smi)
goto err_free_sck;
}
err = smi->ops->reset_chip(smi);
err = rtl8366_reset(smi);
if (err)
goto err_free_sck;

View file

@ -32,6 +32,7 @@ struct rtl8366_smi {
struct device *parent;
unsigned int gpio_sda;
unsigned int gpio_sck;
void (*hw_reset)(bool active);
unsigned int clk_delay; /* ns */
u8 cmd_read;
u8 cmd_write;

View file

@ -1194,6 +1194,8 @@ static int __devinit rtl8366rb_probe(struct platform_device *pdev)
smi->gpio_sda = pdata->gpio_sda;
smi->gpio_sck = pdata->gpio_sck;
smi->hw_reset = pdata->hw_reset;
smi->clk_delay = 10;
smi->cmd_read = 0xa9;
smi->cmd_write = 0xa8;

View file

@ -1074,6 +1074,8 @@ static int __devinit rtl8366s_probe(struct platform_device *pdev)
smi->gpio_sda = pdata->gpio_sda;
smi->gpio_sck = pdata->gpio_sck;
smi->hw_reset = pdata->hw_reset;
smi->clk_delay = 10;
smi->cmd_read = 0xa9;
smi->cmd_write = 0xa8;

View file

@ -1692,6 +1692,8 @@ static int __devinit rtl8367_probe(struct platform_device *pdev)
smi->gpio_sda = pdata->gpio_sda;
smi->gpio_sck = pdata->gpio_sck;
smi->hw_reset = pdata->hw_reset;
smi->clk_delay = 1500;
smi->cmd_read = 0xb9;
smi->cmd_write = 0xb8;

View file

@ -29,6 +29,8 @@ struct rtl8366_initval {
struct rtl8366_platform_data {
unsigned gpio_sda;
unsigned gpio_sck;
void (*hw_reset)(bool active);
unsigned num_initvals;
struct rtl8366_initval *initvals;
};

View file

@ -50,6 +50,7 @@ struct rtl8367_extif_config {
struct rtl8367_platform_data {
unsigned gpio_sda;
unsigned gpio_sck;
void (*hw_reset)(bool active);
struct rtl8367_extif_config *extif0_cfg;
struct rtl8367_extif_config *extif1_cfg;